塌实的英文：
free from anxiety; sureness
He had a spasm of doubtful pride
他体验了一阵不塌实的自豪感。
adj. 自由的；免费的；空闲的；任意的；免税的；游离的
adv. 免费地；自由地
v. 释放；免除；使自由，解放
Freedom is not free.
自由不是无偿的。
Be covered by free Medicare / be entitled to free medical care
享受公费医疗
It depends on free oxygen or air.
它依靠大量的氧或者空气。
n. 焦虑，挂念；令人焦虑之事；渴望
resident anxieties.
内在的焦虑
anxiety for knowledge
求知的渴望
That is a great anxiety to me.
那是一件使我深感焦虑的事情。
n. 确实,踏实,安全
brassard: "Sure, sure."
布拉萨尔:“当然，当然。”
Make sure you get there in time.
一定要准时到达那里。
Be sure not to let the truth slip.
千万别把真相泄漏出去。